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Miocene sediments, collected during brown coal excavation, have generally mechanical composition of loamy sand. The most negative feature of them is a very low pH-value, in a consequence of pyrite-oxidation. 20 years after technical reclamation and dump areas afforestation, a lew conclusions about effects of the reclamation have been drawn: 1). The soil material in layer from 1 to 2 m deep is not...
The post-mining area in the Łęknica vicinity is covered with Miocene sediments, mainly loamy sands containing pyrite. As part of the reclamation process, described area have been afforested, mainly with Scotch pine. The recultivation results were in many places highly unsatisfactory, because of nutrients deficiency on the trees appearance. A field experiment applying combinations of N, P and K with...
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